Biology › Nutrition, digestion and health evidence

Nutrition, digestion and health evidence

Unit B10 · 3 lessons published so far.

• Digestion and absorption: one tube, four chemistries
  Digestion as hydrolysis; the pH of the mouth, stomach, duodenum and ileum and which enzymes work in each; salivary and pancreatic amylase and the…
• Diet, energy and how to read a health claim
  Energy balance, basal metabolic rate and what sets it; the energy value of carbohydrate, protein, fat and alcohol; what a balanced diet must supply…
• Cholesterol, atheroma and what a risk factor means
  Cholesterol as a sterol and what it is needed for; lipoproteins as vehicles, with chylomicrons, VLDL, LDL and HDL distinguished by density and cargo…

Practical work that lands here

• Qualitative biochemical tests, and what they do not tell you
• Colorimetry, dilution series and calibration curves